The Wersi Helios was possibly one of Wersi's most popular spinet organs, having many
features not available on some console organs. There were a number of different Helios models: The Helios W2S
was a cabinet model, with a 13 note pedalboard and internal speakers, the Helios W2TV used the same basic
circuitry but came in a three part open-frame type cabinet, and with the addition of a 25 note pedalboard, and-- if you were a bad
organ player but a good accordionist, there was the Helios W2S Chromatic, which replaced the standard
organ keyboards with the button type keys found on an accordion!